From e89dd85459d3ad778e2702a3c327ee1d4a3fe57a Mon Sep 17 00:00:00 2001
From: Kai Krakow <kai@kaishome.de>
Date: Sat, 27 Jul 2024 13:03:13 +0200
Subject: [PATCH] app-misc/opentrack: new package, add 9999

Closes: https://bugs.gentoo.org/912997
Signed-off-by: Kai Krakow <kai@kaishome.de>
Part-of: https://github.com/gentoo/gentoo/pull/37646
Signed-off-by: Viorel Munteanu <ceamac@gentoo.org>
---
 app-misc/opentrack/metadata.xml          | 29 ++++++++
 app-misc/opentrack/opentrack-9999.ebuild | 88 ++++++++++++++++++++++++
 2 files changed, 117 insertions(+)
 create mode 100644 app-misc/opentrack/metadata.xml
 create mode 100644 app-misc/opentrack/opentrack-9999.ebuild

diff --git a/app-misc/opentrack/metadata.xml b/app-misc/opentrack/metadata.xml
new file mode 100644
index 0000000000..8ad4ac5f8e
--- /dev/null
+++ b/app-misc/opentrack/metadata.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person" proxied="yes">
+		<email>hurikhan77+bgo@gmail.com</email>
+		<name>Kai Krakow</name>
+	</maintainer>
+	<maintainer type="project" proxied="proxy">
+		<email>proxy-maint@gentoo.org</email>
+		<name>Proxy Maintainers</name>
+	</maintainer>
+	<use>
+		<flag name="neuralnet">
+			Build NeuralNet face tracker using a webcam as input device
+			(requires opencv openmp)
+		</flag>
+		<flag name="opencv">
+			Enable webcam video driver via computer vision (required
+			for NeuralNet to work)
+		</flag>
+		<flag name="wine">
+			Support injecting a FreeTrack driver into a running wine prefix
+		</flag>
+	</use>
+	<upstream>
+		<bugs-to>https://github.com/opentrack/opentrack/issues</bugs-to>
+		<remote-id type="github">opentrack/opentrack</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/app-misc/opentrack/opentrack-9999.ebuild b/app-misc/opentrack/opentrack-9999.ebuild
new file mode 100644
index 0000000000..1335dc6ed8
--- /dev/null
+++ b/app-misc/opentrack/opentrack-9999.ebuild
@@ -0,0 +1,88 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake desktop flag-o-matic toolchain-funcs
+
+DESCRIPTION="Head tracking software for MS Windows, Linux, and Apple OSX"
+HOMEPAGE="https://github.com/opentrack/opentrack"
+
+if [[ ${PV} == 9999 ]] ; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/opentrack/opentrack.git"
+else
+	SRC_URI="https://github.com/opentrack/opentrack/archive/refs/tags/${P}.tar.gz"
+	KEYWORDS="~amd64"
+	S="${WORKDIR}/opentrack-${P}"
+fi
+
+LICENSE="ISC"
+SLOT="0"
+
+IUSE="neuralnet opencv openmp wine"
+
+REQUIRED_USE="neuralnet? ( openmp opencv )"
+
+DEPEND="
+	dev-libs/libevdev
+	dev-libs/libusb:1
+	dev-qt/qtbase:6[gui,network,widgets]
+	sys-process/procps:=
+	x11-libs/libX11
+	neuralnet? ( sci-libs/onnxruntime-bin )
+	opencv? ( media-libs/opencv:= )
+	wine? ( virtual/wine )
+"
+RDEPEND="${DEPEND}"
+
+pkg_pretend() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+}
+
+pkg_setup() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+}
+
+src_prepare() {
+	# work around hard-coded docs path
+	sed -e 's#share/doc/opentrack#share/doc/'${PF}'#g' \
+		-i cmake/*.cmake || die
+
+	cmake_src_prepare
+}
+
+src_configure() {
+	use openmp && append-cxxflags -fopenmp && append-ldflags -fopenmp
+
+	local mycmakeargs=(
+		$(cmake_use_find_package neuralnet ONNXRuntime)
+		$(cmake_use_find_package opencv OpenCV)
+		$(cmake_use_find_package openmp OpenMP)
+	)
+
+	# opentrack overwrites emerge cflags unconditionally: we can prevent
+	# that by pretending they've already been set
+	mycmakeargs+=(
+		-D__otr_compile_flags_set=TRUE
+	)
+
+	# HACK: "/opt/opentrack" allows its wine components to be visible in
+	# Valve's pressure-vessel which replaces /usr with the container runtime
+	use wine && mycmakeargs+=(
+		-DCMAKE_INSTALL_PREFIX=/opt/opentrack
+		-DOPENTRACK_WINE_ARCH="-m64"
+		-DSDK_WINE=$(usex wine ON OFF)
+	)
+
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+
+	use wine && dosym -r /opt/opentrack/bin/opentrack /usr/bin/opentrack
+
+	newicon gui/images/opentrack.png opentrack.png
+	make_desktop_entry /usr/bin/opentrack OpenTrack /usr/share/pixmaps/opentrack.png Utility
+}